What is an atom?

What is a chemical change?

What happens during a chemical change to the atoms?

What are reactants?

What are products?

What is combustion?

What happens when nitric oxide is burnt with ozone?

Energy in chemical reactions

What is a spontaneous chemical reaction?

Give an example of spontaneous reactions

What are non-spontaneous reactions?

Give an example of non-spontaneous reactions

What is a chemical equation?

What is corrosion?

What is rusting?

How can you prevent rust?

What is coating?

What is galvanising?

What is alloying?

What happens when iron corrodes?